328765 has 8 divisors (see below), whose sum is σ = 403200. Its totient is φ = 257232.

The previous prime is 328753. The next prime is 328777. The reversal of 328765 is 567823.

328765 = T₉₄ + T₉₅ + ... + T₁₄₀.

It is an interprime number because it is at equal distance from previous prime (328753) and next prime (328777).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 328765 - 2⁷ = 328637 is a prime.

It is a d-powerful number, because it can be written as 3⁴ + 2¹⁶ + 7³ + 8⁶ + 6² + 5⁴ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465 + ... + 934.

It is an arithmetic number, because the mean of its divisors is an integer number (50400).

328765 is a Friedman number, since it can be written as (75-6)^3+2^8, using all its digits and the basic arithmetic operations.

2³²⁸⁷⁶⁵ is an apocalyptic number.

It is an amenable number.

328765 is a deficient number, since it is larger than the sum of its proper divisors (74435).

328765 is a wasteful number, since it uses less digits than its factorization.

328765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451.

The product of its digits is 10080, while the sum is 31.

The square root of 328765 is about 573.3803275314. The cubic root of 328765 is about 69.0179187517.

The spelling of 328765 in words is "three hundred twenty-eight thousand, seven hundred sixty-five".